Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

17°F

-8°C

Humidity 49%
Wind Speed W 15 mph
Barometer 30.12 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 29 Jan 2:15 pm EST
Extended Forecast for

2 Miles W Coatesville PA

Cold Weather Advisory January 29, 02:29pm until January 30, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 29, 02:29pm until January 30, 11:00am

    NOW until 11:00am Fri

    Cold Weather Advisory

  • This Afternoon

    High: 17 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -1. Wind chill values as low as -13. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 15. Wind chill values as low as -15. Northwest wind 10 to 15 mph.

    High: 15 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. Wind chill values as low as -13. Northwest wind around 5 mph.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17. North wind 5 to 10 mph.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow.  Mostly cloudy, with a low around 6. Chance of precipitation is 20%.

    Low: 6 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 21. Blustery.

    High: 21 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 17. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around -1. Wind chill values as low as -13. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 15. Wind chill values as low as -15. Northwest wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around -2. Wind chill values as low as -13. Northwest wind around 5 mph.
Saturday
Partly sunny, with a high near 17. North wind 5 to 10 mph.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 21. Blustery.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Coatesville PA
 39.99°N 75.85°W (Elev. 597 ft)
4:11 am EST Jan 29, 2026
2pm EST Jan 29, 2026-6pm EST Feb 4, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database